Below is a list of Wynona OK zip codes. For your research we have also included Wynona Area Code, Time Zone, UTC and the local Osage County FIPS Code. Each Wynona Oklahoma zip code has a center Longitude / Latitude point (the Wynona center is -96.32689666748 / 36.546199798584). For your convenience we have also indicated if that zip code in Wynona observes Daylight Savings time.